feat:line close允许设备背景

src/views/components/PenProps.vue

@@ -519,7 +519,7 @@
                     <div class="mt-4" style="font-size: 12px">{{$t('连接样式')}}</div>
                   </div>
                 </div>
-                <div class="form-item" v-if="!data.pen.type">
+                <div class="form-item" v-if="!data.pen.type||(data.pen.type&&data.pen.close)">
                   <label style="width: 32px">{{$t('背景')}}</label>
                   <div class="ml-8">
                     <t-radio-group size="small" v-model="data.pen.bkType" :default-value="0" @change="changeValue('bkType')">